3 Welding Jar

4 Ornithopter

2 x Ancient Den

3 x Welding Jar

4 x Ornithopter

Tidebinder Mage

DescriptionWhen Tidebinder Mage enters the battlefield, tap target red or green creature an opponent controls. That creature doesn't untap during its controller's untap step for as long as you control Tidebinder Mage.